- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/aggregate.rs:+0:11: +0:11
      let _1: u8;                          // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
      let mut _2: u8;                      // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
      let mut _3: (i32, u8, i32);          // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
      let _4: ();                          // in scope 0 at $DIR/aggregate.rs:+2:5: +2:11
      let mut _5: u8;                      // in scope 0 at $DIR/aggregate.rs:+2:9: +2:10
      scope 1 {
          debug x => _1;                   // in scope 1 at $DIR/aggregate.rs:+1:9: +1:10
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/aggregate.rs:+1:9: +1:10
          StorageLive(_2);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
          StorageLive(_3);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
          _3 = (const 0_i32, const 1_u8, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
-         _2 = (_3.1: u8);                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
-         _1 = Add(move _2, const 0_u8);   // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
+         _2 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
+         _1 = const 1_u8;                 // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
          StorageDead(_2);                 // scope 0 at $DIR/aggregate.rs:+1:27: +1:28
          StorageDead(_3);                 // scope 0 at $DIR/aggregate.rs:+1:28: +1:29
          StorageLive(_4);                 // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
          StorageLive(_5);                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
-         _5 = _1;                         // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
+         _5 = const 1_u8;                 // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
          _4 = foo(move _5) -> bb1;        // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
                                           // mir::Constant
                                           // + span: $DIR/aggregate.rs:9:5: 9:8
                                           // + literal: Const { ty: fn(u8) {foo}, val: Value(<ZST>) }
      }
  
      bb1: {
          StorageDead(_5);                 // scope 1 at $DIR/aggregate.rs:+2:10: +2:11
          StorageDead(_4);                 // scope 1 at $DIR/aggregate.rs:+2:11: +2:12
          _0 = const ();                   // scope 0 at $DIR/aggregate.rs:+0:11: +3:2
          StorageDead(_1);                 // scope 0 at $DIR/aggregate.rs:+3:1: +3:2
          return;                          // scope 0 at $DIR/aggregate.rs:+3:2: +3:2
      }
  }
  
